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Finding the Fourth Proportional to 489,158.80, 733,867.80 and 173,582.80

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Solution

The fourth proportional to 489,158.80, 733,867.80 and 173,582.80 is: 260,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,158.80 : 733,867.80 = 173,582.80 : x
  2. Step 2: Convert to fraction form
    489,158.80/733,867.80 = 173,582.80/x
  3. Step 3: Cross multiply
    489,158.80x = 733,867.80 × 173,582.80
  4. Step 4: Simplify right side
    489,158.80x = 127,386,827,553.84
  5. Step 5: Solve for x
    x = 127,386,827,553.84/489,158.80
  6. Step 6: Final answer
    x = 260,420.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.